Melissa’s been running a Google App campaign with one ad group and she’s looking to optimize the campaign by creating additional ad groups. What should Melissa do next?

Question: Melissa’s been running a Google App campaign with one ad group and she’s looking to optimize the campaign by creating additional ad groups. What should Melissa do next?

• Create a new campaign and ad group for each different theme.
• Replace her existing ad group with a new one using a different theme.
• Maintain one evergreen ad group, and use additional ad groups to explore different themes.
• Maintain the same ad group, and introduce additional assets based on various different themes.

The right answer was: Maintain one evergreen ad group, and use additional ad groups to explore different themes.